做页面输入时,为方便输入和提高用户体验,常用下拉框,当下拉选项数据很多时,也不易找到想要的选项,这时,提供一种下拉框输入匹配提示选项,如下:

图示

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" alt="" />

HTML代码

        <div style="width: 540px;">
<label class="control-label sr-only" for="search_dchannel_repo"></label>
<input class="form-control search-for-select" id="search_dchannel_repo" placeholder="Search" forselect="sel_all_apps" type="text">
<span class="glyphicon glyphicon-search form-control-feedback"></span>
<div style="padding-top:8px;">
<select id="sel_all_apps" class="form-control" multiple="multiple" size="10"> <option class="proxy_app_option" value="48">测试应用</option> <option class="proxy_app_option" value="49">测试应用2</option> <option class="proxy_app_option" value="50">1323</option> <option class="proxy_app_option" value="51">僵尸战机</option> <option class="proxy_app_option" value="52">新游戏</option> <option class="proxy_app_option" value="53">测试APP</option> <option class="proxy_app_option" value="54">测试APP</option> <option class="proxy_app_option" value="55">测试APP</option> </select>
</div>
</div>

jQuery代码

 $(".search-for-select").keyup(function(){
var select = $(this).attr("forselect");
var keyvalue = $(this).val();
$("#" + select).find("option").each(function(){
if($(this).html().indexOf(keyvalue) >= 0 || !keyvalue){
$(this).show();
}else{
$(this).hide();
}
});
return false;
});

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